AD Amdt-39-9778

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) Series Airplanes

AD Number
Amdt-39-9778
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-246-AD
FR Citation
61 FR 52688

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) Series Airplanes

Unsafe Condition

The co-pilot's air data reference system intermittently fails following power generator switching, leading to uncommanded changes in instrument settings on the co-pilot's display.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revise the Airplane Flight Manual (AFM) to require flight crew to check and reset, if necessary, certain instrument settings prior to each takeoff and after any event involving generator switching.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bombardier Model CL-600-2B19 (Regional Jet Series 100) series airplanes as specified in the AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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